Splicing clamp



June 11, 1929. v T. SIDERITS 1.716.904

srmcnw gum? Filed Sept. '16, 1926 Patented June 11, 1929.

UNITED STATES THOMAS SIDERITS, OF MILWAUKEE, WISCONSIN.

SPLICING CLAMP.

Application filed September 16, 1926. Serial No. 135,849.

This invent-ion relates to splicing clamps and is an improvement overthat disclosed in a patent for beam-splicing clamps, issued to ThomasSiderits and Gabriel Murl, No. 1,084,236, of Jan. 13, 191%.

In general this invention is an improvement over that disclosed in theabove identified patent.

Objects of this invent-ion are to provide a novel form of splicingclamp, in which the clamp exerts an upward pressure upon the top post oftwo spliced members, and at the same time exerts a binding pressurebetween the two members, to thus prevent any possibility of slippingbetween the two posts when weight is placed upon the uppermost post, andat the same time to securely guard against spreading or separating.

Further objects are to provide a novel form of splicing clamp which isof very rugged and simple construction, and which is so made that thebinding members dig into the posts and are revented from relativeslipping motion, w ile at the same time, as stated, applying an upwardpressure as well as a binding pressure to the upwardly extending post.

An embodiment of the invention is shown in the accompanying drawings, inwhich:

Figure 1 is a side elevation of two posts showing the clamp in sectionand in the position it occupies.

Figure 2 is a view of the clamp detached from the post, such view beingpartly in section.

Referring to the drawings, it will be seen that two posts have beenshown as spliced by means of the clamp. For convenience of description,one of the posts will be called the main supporting post, indicated byreference character 1, and the other post, indicated by the referencecharacter 2, will be called the upwardly projecting post.

The clamp comprises a rectangular member having parallel side strap-likeportions 3, a rear end portion 4 and a forward portion 5. The portions 4and 5 in reality constitute transverse portions and are positioned onopposite sides of the posts, as shown in Figure 1. The portion 5 has anelongated hub-like part 6 which is internally threaded and receives theclamping screw 7 such clamping screw being preferably provided with asquare, or other shaped,

ened at such points to provide bearings for 1 the trunnions 10 of asliding cross-head 11. This cross-head is provided with a sockctedportion 12 which receives the end of the clamping screw 7. Preferablythe trunnions are headed at their ends, as indicated at 13, to preventinadvertent detachment from the slots 9. 7 v

It is to be noted that the cross-head 11 and the end member or head 1are provided with bearing faces 14 and 15 respectively, which areparallel and which extend at an angle to the axis of the side straps 3.When the clamping devices are in position these faces 14 and 15 alineand contact with the outer faces of the posts 1 and 2 with-the axis ofthe side members 3 extending upwardly from the post 2 to the post 1.Each of the members 11 and 4 is provided with projecting tongues orprongs 16 and 17 which bite into the postswand also aid in preventingslipping. Further it is to be noted that the trunnions 10 are in realityprovided with flat bearing faces so as to prevent the cross-head fromturning.

In using the clamping member, the posts are arranged as shown and theclamp slipped into place. Thereafter the binding screw 7 is tightened soas to force the cross-head 11 into binding engagement with the post 1and to draw the head 4 upwardly and into bind ing engagement with thepost 2. The prongs 16 and 17 bite into the posts and also aid inpreventing sliding.

It is to be particularly noted that any downward force exerted upon thepost 2 increases the binding of the clamp and is resisted by the upwardcomponent of the force exerted by the clamp, as well as by the bindingfriction between the posts. Thus the clamp not only binds the poststogether, but also partially directly bears some of the load imposedupon the upwardly extending posts.

It will be seen, therefore, that an unusually firm engagement is securedby means of this invention and that relative shifting of the postscannot occur.

Although the invention has been described in considerable detail, suchdescription is intended as illustrative rather than limiting,

as the invention may be variously embodied and as the scope of suchinvention is to be determined as claimed.

I claim 1. A clamp adapted to secure two rectangular posts togethercomprising a rear head and a forward head, side straps joining saidheads and arranged at an acute angle to the axis of the posts, across-head slidaloly carried by said side straps, a screw passingthrough the forward head and hearing against the cross-head, saidcross-head and said rear head having parallel faces aliningwith theouter faces of the posts.

2. A clamp adapted to secure two rectangular posts together comprising arear head and a forward head, side straps joining said heads andarranged at an acute angle to the axis of the posts, a cross-headslidably carried by said side strapsfa screw passing through the forwardhead and bearing against the cross-head, said cross-head and said rearhead having parallel faces alining with the outer faces of the posts andhaving forwardly projecting prongs adapted to bite into the posts.

8. A clamp adapted to secure two rectangular posts together comprising arear head having an inner .face', a pair of side straps extending from'said rear head at an angle with respect to the said inner face, saidstraps having elongated slots therein, a forward head joining the outerends of said straps, a sliding cross head having projections slidablyfitting within the slots of said side straps, said cross head having aninner face paralleling the inner face of said rear head, and a screwthreaded through the forward head and bearing against said cross head.

In testimony that I claim the foregoing I have hereunto set my hand atMilwaukee, in the county of Milwaukee, and State of iVisconsin;

THOMAS SIDERITS.

